Trace gases concentrations obtained through Bruker EM27/SUN solar absorption FTIR spectrometer are now available for download in the Products page.

EM27 is an infrared spectrometer able to measure greenhouse gases concentration in atmosphere; it is hosted at APL and operated manually by BAQUNIN team. The products are in netcdf format following the GEOMS guidelines and contain information about water vapor, CO2, methane and CO total column and mixing ratio.

Some weekly time series measured by EM27 are reported in the picture.